v8/test/mjsunit/debug-optimize.js

55 lines
883 B
JavaScript
Raw Normal View History

// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --expose-debug-as debug --allow-natives-syntax --use-inlining
var Debug = debug.Debug;
function f1() {
return 1;
}
function f2() {
return 2;
}
function f3() {
return f1();
}
function f4() {
return 4;
}
function optimize(f) {
f();
f();
%OptimizeFunctionOnNextCall(f);
f();
}
optimize(f1);
optimize(f2);
optimize(f3);
Debug.setListener(function() {});
assertOptimized(f1);
assertOptimized(f2);
assertOptimized(f3);
Debug.setBreakPoint(f1, 1);
// Setting break point deoptimizes f1 and f3 (which inlines f1).
assertUnoptimized(f1);
assertOptimized(f2);
assertUnoptimized(f3);
// We can optimize with break points set.
optimize(f4);
assertOptimized(f4);
Debug.setListener(null);